In this paper, a gerenal designing method for the patterns of recursive program transformation is presented, and some related examples are given.

本文提出递归程序变换模式的一般设计方法，并以具体示例说明之。

The author introduces in detail the gerenal application of GPS in offshore engineering according to his experience on positioning operation in offshore engineering recent years.

本文根据近年来海上工程中定位作业的经验，对差分gps定位系统在海上工程中的应用做了较详细的介绍。